Quartz cover



FIG. 1 perspective view of a quartz cover.

FIG. 2 a top plan view thereof.

FIG. 3 a bottom plan view thereof.

FIG. 4 a front elevational view thereof; and,

FIG. 5 a cross-sectional view taken along line V--V in FIG. 2. 

I claim the ornamental design for quartz cover, as shown and described. 